Enhanced Functionality: By converting your motor spindle into a threaded shaft polisher or grinder, this adapter extends the capabilities of your equipment, allowing for more precise and varied grinding, polishing, or buffing tasks. Versatile Use: Designed to transform your standard motor into a versatile tool, this spindle adapter kit allows for the attachment of polishing wheels, grinding wheels, wire brush wheels, and chucks, making it an essential accessory for milling machines and bench polishing setups. Package Contents: Each purchase includes 2 complete motor shaft extension tool kits, comprising 2 motor shaft adapter threaded shafts, 4 washers, 2 screwdrivers, and 2 nuts, ensuring you have all you need for setup and operation. Easy Installation: To use, simply attach the grinder extension shaft to your motor or grinder spindle. Secure it with the provided hex wrench by tightening the hidden screws. Mount your desired tool between the washers, secure with the nuts provided, and you're ready to your project. Construction: Crafted from robust steel, these spindle adapters are built to withstand rigorous use in both professional and home environments, ensuring and reliability in any workshop setting., Weight: 0.40124131684 pounds, Manufacturer: Prterver